ATMEGA328PPU in DIP28 package, available as 10 pieces. This AVR microcontroller provides a compact, robust platform for embedded projects and Arduino compatible designs. The DIP28 (Plastic DIP) form factor fits easily on breadboards for rapid prototyping and development. Key benefits Reliable, wellsupported MCU for hobbyists and professionals alike Wide peripheral set enables a broad range of projects without external chips DIP28 package allows quick swap into breadboard or handsoldered prototypes Quantity of 10 pieces ensures convenient stocking for multiple boards or experiments Compatible with common Arduino workflows and development environments Key attributes Model and packaging: ATMEGA328PPU, DIP28 (Plastic DIP) Memory: 32 KB flash program memory, 2 KB SRAM, 1 KB EEPROM Clock and voltage: up to 20 MHz operation, operating voltage 1.8–5.5 V I/O and peripherals: 23 general purpose I/O lines, 6channel 10bit ADC Communications: USART, SPI, and I2C (TWI) interfaces Timers and PWM: multiple timers (including 16bit Timer1 and 8bit Timer0/Timer2) with PWM capabilities Programming: InSystem Programming (ISP) through SPI Package features: DIP28, ideal for breadboards and throughhole prototyping Specifications at a glance Microcontroller: ATMEGA328PPU Package: DIP28 (Plastic DIP) Flash memory: 32 KB SRAM: 2 KB EEPROM: 1 KB I/O lines: 23 ADC: 10bit, 6channel Clock: up to 20 MHz Voltage range: 1.8–5.5 V Peripherals: USART, SPI, I2C; multiple timers with PWM Programming: ISP Applications and use cases Arduinocompatible projects and shields: suitable for reviving classic Arduinolike designs with a widely supported toolchain Prototyping and development boards: ideal for breadboardbased experiments, learning AVR microcontroller fundamentals, and rapid iteration Embedded sensors and data logging: can handle simple sensor interfacing, ADC data collection, and small data storage tasks Notes on usage For Arduinostyle development, the chip can run with an appropriate bootloader and clock configuration (commonly 16 MHz with a crystal for Arduino compatibility) The DIP28 package supports straightforward handsoldering and breadboard use, facilitating quick testing and replacement This listing provides 10 ATMEGA328PPU DIP28 microcontrollers, each offering the same core features and specifications. They are suitable for a wide range of embedded applications, from basic control tasks to more complex sensor interfaces and hobbyist electronics projects.